ezUser is a simple framework for adding user authentication and registration to your PHP Web site. ezUser can help you make your site more interactive so you can give each user an individual experience. It is very easy to integrate into an existing site.

Auxrames is a Web-based PHP tool that allows human resources management. It is designed to manage a team with lot of tasks. You can see holidays (yellow), non-working time (purple), and tasks (green, depending on the workload percents). You can perform user management, import users from your LDAP and possibly AD, and set different groups. Each of your team members can be allocated to one or more groups. You can decide to always display a user even if he has no tasks, so as not to forget him.

HN_htusers is a PHP class to manage users and groups in Apache Web server environments, with optional extra information for users. It uses Apache-style MD5-crypt passwords. It uses built-in CSS styles. Validation (min-max length, allowed characters) is built-in for all entries. The locking mechanism is robust. It includes examples of how to test your setup, how to embed a dynamic form for changing passwords into existing HTML code, using HTTP-Auth with .htaccess files in directories, and using HTTP-Auth without .htaccess files but with PHP.

The uFlex class can be used to manage registrations and authenticate users with records in a MySQL database. It can perform several types of operations with registered users of a site. Currently, it can create or update registered user records, activate user accounts, reset passwords, authenticate a user and start a login session, end a login session, and automatically login. As its name implies, the class is very flexible as you can add, modify, and validate any field in the registration and updating process.

Quest Identity Manager for Unix lets you remotely manage local users and groups on Unix, Linux, and Mac systems. It lets you find and manage existing local Unix users and groups throughout your environment through a single, centralized management console. You can create new local Unix users and groups throughout your environment from the same centralized management console. Local Unix user and group information can be securely managed over SSH. The management console can be run from Unix, Linux, Windows, or Mac platforms and any of the most common Web browsers. Quest Identity Manager for Unix can provide granular reports on Unix identity information, including local Unix users, local user conflicts, and all members of specific Unix groups. It can uncover rogue or unused local accounts.

Inkblot Auth is a class that can authenticate users by showing them inkblot images. It can associate a given user password with a list of inkblot images. The user chooses the password after seeing a list of inkblots and types in what those inkblots look like. The class can authenticate the user after showing him the same inkblots in a random order and asking the user to type in what those inkblots look like.

The Clacks Framework enables implementators to abstractly manage infrastructure entities, such as users, groups, machines and structure items. These are freely defineable and mappable to various backends like LDAP or MongoDB. Additionally it can handle joined clients, collect inventory data, and manage these clients in various ways. All information, API, and events are exposed on an AMQP message bus, and can be used by shell scripts, Web GUIs, etc.